Differences From Artifact [9ff82b2e4e]:
- File src/runtime/lookup.m — part of check-in [f5747ff94a] at 2012-05-09 13:54:48 on branch runtime — Better way of calling the forwarding handler. (user: js, size: 1734) [annotate] [blame] [check-ins using]
To Artifact [584f60ba59]:
- File
src/runtime/lookup.m
— part of check-in
[dcf845546a]
at
2012-05-09 13:55:09
on branch runtime
— Initialize classes on the first dispatch.
This is no longer done in objc_msg_lookup() and thus allows direct class
references. (user: js, size: 2432) [annotate] [blame] [check-ins using] [more...]
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#import "macros.h"
IMP (*objc_forward_handler)(id, SEL) = NULL;
IMP
objc_not_found_handler(id obj, SEL sel)
{
if (objc_forward_handler != NULL)
return objc_forward_handler(obj, sel);
ERROR("Selector %s is not implemented for class %s!",
sel_getName(sel), obj->isa->name);
}
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#import "macros.h"
IMP (*objc_forward_handler)(id, SEL) = NULL;
IMP
objc_not_found_handler(id obj, SEL sel)
{
if (!(obj->isa->info & OBJC_CLASS_INFO_INITIALIZED)) {
BOOL is_class = obj->isa->info & OBJC_CLASS_INFO_METACLASS;
Class cls = (is_class ? (Class)obj : obj->isa);
objc_initialize_class(cls);
if (!(cls->info & OBJC_CLASS_INFO_SETUP)) {
if (is_class)
return objc_msg_lookup(nil, sel);
else
ERROR("Could not dispatch message for "
"incomplete class %s!", cls->name);
}
/*
* We don't need to handle the case that super was called.
* The reason for this is that a call to super is not possible
* before a message to the class has been sent and it thus has
* been initialized together with its superclasses.
*/
return objc_msg_lookup(obj, sel);
}
if (objc_forward_handler != NULL)
return objc_forward_handler(obj, sel);
ERROR("Selector %s is not implemented for class %s!",
sel_getName(sel), obj->isa->name);
}
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